Home / 1,371,421.57-2,057,267.64-472,745.02

Finding the Fourth Proportional to 1,371,421.57, 2,057,267.64 and 472,745.02

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Solution

The fourth proportional to 1,371,421.57, 2,057,267.64 and 472,745.02 is: 709,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,421.57 : 2,057,267.64 = 472,745.02 : x
  2. Step 2: Convert to fraction form
    1,371,421.57/2,057,267.64 = 472,745.02/x
  3. Step 3: Cross multiply
    1,371,421.57x = 2,057,267.64 × 472,745.02
  4. Step 4: Simplify right side
    1,371,421.57x = 972,563,031,617.15
  5. Step 5: Solve for x
    x = 972,563,031,617.15/1,371,421.57
  6. Step 6: Final answer
    x = 709,164.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.